97881224 has 32 divisors (see below), whose sum is σ = 214032000. Its totient is φ = 41947920.

The previous prime is 97881211. The next prime is 97881233. The reversal of 97881224 is 42218879.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15092 + ... + 20579.

It is an arithmetic number, because the mean of its divisors is an integer number (6688500).

Almost surely, 2^97881224 is an apocalyptic number.

It is an amenable number.

97881224 is an abundant number, since it is smaller than the sum of its proper divisors (116150776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97881224 is a wasteful number, since it uses less digits than its factorization.

97881224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35698 (or 35680 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 97881224 is about 9893.4940238522. The cubic root of 97881224 is about 460.8572922792.

The spelling of 97881224 in words is "ninety-seven million, eight hundred eighty-one thousand, two hundred twenty-four".